33 lines
753 B
C
33 lines
753 B
C
// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s
|
|
|
|
int leading, trailing, pop;
|
|
|
|
void test_i16(short P) {
|
|
leading = __builtin_clzs(P);
|
|
trailing = __builtin_ctzs(P);
|
|
|
|
// CHECK: @test_i16
|
|
// CHECK: call i16 @llvm.ctlz.i16
|
|
// CHECK: call i16 @llvm.cttz.i16
|
|
}
|
|
|
|
void test_i32(int P) {
|
|
leading = __builtin_clz(P);
|
|
trailing = __builtin_ctz(P);
|
|
pop = __builtin_popcount(P);
|
|
|
|
// CHECK: @test_i32
|
|
// CHECK: call i32 @llvm.ctlz.i32
|
|
// CHECK: call i32 @llvm.cttz.i32
|
|
// CHECK: call i32 @llvm.ctpop.i32
|
|
}
|
|
|
|
void test_i64(float P) {
|
|
leading = __builtin_clzll(P);
|
|
trailing = __builtin_ctzll(P);
|
|
pop = __builtin_popcountll(P);
|
|
// CHECK: @test_i64
|
|
// CHECK: call i64 @llvm.ctlz.i64
|
|
// CHECK: call i64 @llvm.cttz.i64
|
|
// CHECK: call i64 @llvm.ctpop.i64
|
|
}
|